bump karma v6.3.9

Author: archmoj

package-lock.json

@@ -140,7 +140,7 @@
     "into-stream": "^6.0.0",
     "jasmine-core": "^3.5.0",
     "jsdom": "^18.1.1",
-    "karma": "^6.3.6",
+    "karma": "^6.3.9",
     "karma-browserify": "^8.1.0",
     "karma-chrome-launcher": "^3.1.0",
     "karma-firefox-launcher": "^2.1.1",